<script setup lang="ts">
import { loginAPI } from "@/apis/user";
import { useUserStore } from "@/stores/user";
import { REMEMBER_ME } from "../../constants";
import { onMounted, ref } from "vue";
import { FormRules, FormInstance, ElMessage } from "element-plus";
import { useRouter } from "vue-router";
const router = useRouter();
// 页面加载时，获取本地存储的用户信息，判断是否有记住我，有的话，自动填充表单数据
onMounted(() => {
  const rememberMe = localStorage.getItem(REMEMBER_ME);
  if (rememberMe !== null) {
    const userInfo = JSON.parse(rememberMe);
    if (userInfo) {
      formData.value = userInfo;
    }
  }
});

// 定义表单数据
const formData = ref({
  username: "",
  password: "",
});
const remember = ref(false);
// 表单校验规则
const rules = ref<FormRules<typeof formData>>({
  username: [{ required: true, message: "请输入账号", trigger: "blur" }],
  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
});
// 登录
const ruleFormRef = ref<FormInstance>();
const submitform = () => {
  ruleFormRef.value?.validate(async (valid) => {
    if (valid) {
      const res = await loginAPI(formData.value);
      if (res.code === 10000) {
        if (remember.value) {
          localStorage.setItem(REMEMBER_ME, JSON.stringify(formData.value));
        } else {
          localStorage.removeItem(REMEMBER_ME);
        }
        ElMessage.success("登录成功");
        const store = useUserStore();
        store.setToken(res.data.token);
        router.push("/");
      }
    } else {
      console.log("登录失败");
    }
  });
};
</script>

<template>
  <div class="login_body">
    <div class="bg" />
    <div class="box">
      <div class="title">智慧园区-登录</div>
      <el-form ref="ruleFormRef" :rules="rules" :model="formData">
        <el-form-item label="账号" prop="username">
          <el-input v-model="formData.username" />
        </el-form-item>

        <el-form-item label="密码" prop="password">
          <el-input v-model="formData.password" />
        </el-form-item>

        <el-form-item prop="remember">
          <el-checkbox v-model="remember">记住我</el-checkbox>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" class="login_btn" @click="submitform"
            >登录
          </el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.login_body {
  display: flex;
}

.bg {
  width: 60vw;
  height: 100vh;
  background: url("@/assets/login-bg.svg") no-repeat;
  background-position: right top;
  background-size: cover;
}

.box {
  margin: 200px 10% 0;
  flex: 1;

  .title {
    padding-bottom: 76px;
    font-size: 26px;
    font-weight: 500;
    color: #1e2023;
  }

  ::v-deep() {
    .ant-form-item {
      display: flex;
      margin-bottom: 62px;
      flex-direction: column;
    }

    .ant-form-item-label label {
      font-size: 16px;
      color: #8b929d;
    }

    .ant-input,
    .ant-input-password {
      border-radius: 8px;
    }
  }
}

.login_btn {
  width: 100%;
}
</style>
